neconyd | cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25dd

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2025, 14:43

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General

Target

cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
Size

96KB
MD5

dc13ac1eb0bcdc4664e868bfa5286890
SHA1

bde56c417416dbb298ec42e03f71cad3dff0fec0
SHA256

cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25dd
SHA512

b6557b334c9186aef75b091ef313eac20da106adf74fa67e66f6a35e84d74cfc40e42aefb0f284590da012e72be6847d8d4fcc6944c740e0f9205468180b6248
SSDEEP

1536:InAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:IGs8cd8eXlYairZYqMddH13L

Score

10^/10

neconyd discovery trojan

Malware Config

Extracted

Family

neconyd

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

Neconyd
Neconyd is a trojan written in C++.
trojan neconyd
Neconyd family
neconyd

Executes dropped EXE 6 IoCs

pid	Process
1864	omsecor.exe
3180	omsecor.exe
628	omsecor.exe
5016	omsecor.exe
2240	omsecor.exe
4716	omsecor.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 3452	1880	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	85
PID 1864 set thread context of 3180	1864	omsecor.exe	91
PID 628 set thread context of 5016	628	omsecor.exe	109
PID 2240 set thread context of 4716	2240	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1700	1880	WerFault.exe	83
2356	1864	WerFault.exe	87
3536	628	WerFault.exe	108
2256	2240	WerFault.exe	111

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 3452	1880	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	85
PID 1880 wrote to memory of 3452	1880	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	85
PID 1880 wrote to memory of 3452	1880	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	85
PID 1880 wrote to memory of 3452	1880	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	85
PID 1880 wrote to memory of 3452	1880	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	85
PID 3452 wrote to memory of 1864	3452	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	87
PID 3452 wrote to memory of 1864	3452	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	87
PID 3452 wrote to memory of 1864	3452	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	87
PID 1864 wrote to memory of 3180	1864	omsecor.exe	91
PID 1864 wrote to memory of 3180	1864	omsecor.exe	91
PID 1864 wrote to memory of 3180	1864	omsecor.exe	91
PID 1864 wrote to memory of 3180	1864	omsecor.exe	91
PID 1864 wrote to memory of 3180	1864	omsecor.exe	91
PID 3180 wrote to memory of 628	3180	omsecor.exe	108
PID 3180 wrote to memory of 628	3180	omsecor.exe	108
PID 3180 wrote to memory of 628	3180	omsecor.exe	108
PID 628 wrote to memory of 5016	628	omsecor.exe	109
PID 628 wrote to memory of 5016	628	omsecor.exe	109
PID 628 wrote to memory of 5016	628	omsecor.exe	109
PID 628 wrote to memory of 5016	628	omsecor.exe	109
PID 628 wrote to memory of 5016	628	omsecor.exe	109
PID 5016 wrote to memory of 2240	5016	omsecor.exe	111
PID 5016 wrote to memory of 2240	5016	omsecor.exe	111
PID 5016 wrote to memory of 2240	5016	omsecor.exe	111
PID 2240 wrote to memory of 4716	2240	omsecor.exe	113
PID 2240 wrote to memory of 4716	2240	omsecor.exe	113
PID 2240 wrote to memory of 4716	2240	omsecor.exe	113
PID 2240 wrote to memory of 4716	2240	omsecor.exe	113
PID 2240 wrote to memory of 4716	2240	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
"C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
  C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3452
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3180
    - - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\System32\omsecor.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:628
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5016
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2240
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4716
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 268
        8⤵
        Program crash
        
        PID:2256
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 292
        6⤵
        Program crash
        
        PID:3536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 288
      4⤵
      Program crash
      PID:2356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 300
  2⤵
  - Program crash
  PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1880 -ip 1880
1⤵
PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1864 -ip 1864
1⤵
PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 628 -ip 628
1⤵
PID:2368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2240 -ip 2240
1⤵
PID:4712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
96KB

MD5
5e29cf06b9a4e1bc9e59e5c257fc7124

SHA1
cec058af7b519cf731f95b4d688c66801ad89379

SHA256
2bf907e688b18b4dbfda20258d23fa0b9cfcc3eb1c082d8054348be3b1f2c506

SHA512
1e316f854d027c3f9067b3f6356386da8e6b377bc9650f8c037fb9b800b97b0019edab1763641743754772d33d8020efe413407bc8e10872c9bab1924e516c4e

Download Submit
C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
96KB

MD5
8362b05a1d1269f5706e261b5d82b3a5

SHA1
fd10f4492e66f099eedba60680dea87bae8812ce

SHA256
b306c43204d9539c4ec8c1beac0e2c70dc258a3cefc1fd33ff212cae7c3bdb27

SHA512
4d15a99df34f13ec8083edb6e2688ac4ee8189bc83c63e20b8869522cb1c7ad8e19376a7867f8d76826a3bc07435403689b5696079b3132924439cd6d1c1f6d3

Download Submit
C:\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
9a6f27cc4fcafa6ca4a89244def90034

SHA1
ebd54aaf13943a003b492d56f1952bec74eae154

SHA256
c52fe80abfc286450361b4c8783d10ca29a36262c9d18709d801ba321822e285

SHA512
0c5470ae55aa452fc12442c625d67a12e606ccfe89aba0437578cbefff616ca42716a718b6e9efd22310251120c990ac4275cf1107838c08d4f9944d1cb4e239

Download Submit
memory/628-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/628-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1864-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1880-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1880-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2240-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2240-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3180-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3180-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3180-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3180-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3180-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3180-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3180-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3452-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3452-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3452-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3452-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4716-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4716-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4716-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5016-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5016-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5016-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download